function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function printPage() {
  if (window.print)
    window.print()
  else
    alert("Sorry, your browser doesn't support this feature.");
}

function verifyHuman(formName) {
	document[formName].h_formValidated.value = 'true'
}


function validateEmail(email_address) {
	if (/\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email_address)){
		return true;
	}
	return false;
}

function IsNumber(sText) {
	var ValidChars = "0123456789.";
	var IsNumber = true;
	var Char;

	for (i = 0; i < sText.length && IsNumber == true; i++) { 
	Char = sText.charAt(i); 
		if (ValidChars.indexOf(Char) == -1) {
			IsNumber = false;
		}
	}
	return IsNumber;
}


function defaultFocus(oEle, sValue){
	if(oEle.value == sValue){
		oEle.value = '';
	}
}

function defaultBlur(oEle, sValue){
	if(oEle.value == ''){
		oEle.value = sValue;
	}
}



function verifyQuickSearch() {
	oForm = document.quickSearch;
	if(oForm.keyword.value == '' || oForm.keyword.value == 'product code') {
		alert('Please enter a product code');
		oForm.keyword.focus();
		return false;
	}
	return true;
}

function verifySiteSearch() {
	oForm = document.siteSearch;
	if(oForm.keyword.value == '' || oForm.keyword.value == 'product search') {
		alert('Please enter a product name or code');
		oForm.keyword.focus();
		return false;
	}
	return true;
}

function verifyMakeEnquiry() {
	oForm = document.makeEnquiry;
	if(oForm.Name.value == '' || oForm.Name.value == 'your name') {
		alert('Please enter your name');
		oForm.Name.focus();
		return false;
	}
	if(oForm.telephone.value == '' || oForm.telephone.value == 'telephone') {
		alert('Please enter your telephone number');
		oForm.telephone.focus();
		return false;
	}
	if(!validateEmail(oForm.Email.value)) {
		alert('Please enter a valid email address');
		oForm.Email.focus();
		return false;
	}
	if(oForm.enquiry.value == '' || oForm.enquiry.value == 'enquiry') {
		alert('Please enter a your enquiry');
		oForm.enquiry.focus();
		return false;
	}
	if(oForm.h_formValidated.value != 'true') {
		alert('To prevent spam submissions, please enter your name manually');
		oForm.Name.focus();
		return false;
	}

	var updateURL = relPath + 'information/contactSave.asp?name=' + oForm.Name.value
	    					   + '&emailAdd=' + oForm.Email.value
	    					   + '&contact=true';
  var responseText = ajaxGet(updateURL);

  if (returnSuccess(responseText,"There has been a problem sending your enquiry, please wait a moment and try again.")) {
		oForm.h_fromEmail.value = oForm.Email.value;
		return true;
  } else {
		return false;
	}
}


function verifyContactForm() {
	oForm = document.contactForm;
	if(oForm.Name.value == '') {
		alert('Please enter your name');
		oForm.Name.focus();
		return false;
	}
	if(oForm.Email.value == '') {
		alert('Please enter your email address');
		oForm.Email.focus();
		return false;
	}
	if(oForm.Enquiry.value == '') {
		alert('Please enter a your enquiry');
		oForm.Enquiry.focus();
		return false;
	}
	if(oForm.h_formValidated.value != 'true') {
		alert('To prevent spam submissions, please enter your name manually');
		oForm.Name.focus();
		return false;
	}
	
		
	var updateURL = 'contactSave.asp?name=' + oForm.Name.value
	    					   + '&emailAdd=' + oForm.Email.value
	    					   + '&contact=true';
  var responseText = ajaxGet(updateURL);

  if (returnSuccess(responseText,"There has been a problem sending your enquiry, please wait a moment and try again.")) {
		oForm.h_fromEmail.value = oForm.Email.value;
		return true;
  } else {
		return false;
	}
}

function verifyRegisterForm() {
	oForm = document.registerForm;
	if(oForm.Name.value == '') {
		alert('Please enter your name');
		oForm.Name.focus();
		return false;
	}
	if(oForm.Email.value == '') {
		alert('Please enter your email address');
		oForm.Email.focus();
		return false;
	}
	if(oForm.h_formValidated.value != 'true') {
		alert('To prevent spam submissions, please enter your name manually');
		oForm.Name.focus();
		return false;
	}
	
	
	var updateURL = 'contactSave.asp?name=' + oForm.Name.value
	    					   + '&emailAdd=' + oForm.Email.value
	    					   + '&news=' + oForm.News.value
	    					   + '&offers=' + oForm.Offers.value
	    					   + '&products=' + oForm.Products.value;
  var responseText = ajaxGet(updateURL);

  if (returnSuccess(responseText,"There has been a problem sending your registration, please wait a moment and try again.")) {
		oForm.h_fromEmail.value = oForm.Email.value;
		return true;
  } else {
		return false;
	}
	

}



function Left (str, n) {
   return str.substring(0, n);
}

function Right (str, n) {
   len = str.length;
   return str.substring(len -n, len);
}

function showElement(elementId){
	oEle = document.getElementById(elementId);
	oEle.style.display = 'block';
}

function hideElement(elementId){
	oEle = document.getElementById(elementId);
	oEle.style.display = 'none';
}


function init() {
	// on load initialisations here
	// preloadImages();
}
window.onload = init;


function selectValue(oFormEle, strValue){
	var numOptions = oFormEle.options.length;
	for (var i = 0; i <= (numOptions-1); i++) {
		if(oFormEle.options[i].value == strValue) {
			oFormEle.options.selectedIndex = i;
		}
	}
}

function returnSuccess(responseMessage,errorMessage) {
	//Checks for 'Success' at end of string and returns error message if not present
	responseMessage = responseMessage.Trim();
	if (Right(responseMessage,7) == "Success") {
		return true;
	} else {
		//changeValue("pageResponse", "innerHTML", responseMessage, "", "");
		alert(errorMessage);
		return false;
	}
}


function ajaxGet(urlToGet) {
	//Gets a URL and returns the response
	var xmlhttp = GetXmlHttpObject();
	if (xmlhttp == null) {
		// Check if browser is compatable
		alert("Sorry, your browser does not support HTTP Request...");
		return;
	}

	xmlhttp.open("GET",urlToGet,false);
	xmlhttp.send(null);
	return xmlhttp.responseText;
}

function GetXmlHttpObject() {
	//Returns the XML HHTP object (browser dependant)
	var objXMLHttp=null;
	if (window.XMLHttpRequest) {
		//FF / Safari / Opera / Chrome Check
		objXMLHttp=new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		//IE Check
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}